Plainclothes policemen try to stop two protesters holding a banner that says, "Huangyan island (Scarborough Shoal) will always belong to China" outside the Philippines embassy in Beijing, on May 11. China told its citizens they were not safe in the Philippines and its state media warned of war, as a month-long row over rival claims in the South China Sea threatened to spill out of control

Plainclothes policemen try to stop two protesters holding a banner that says, "Huangyan island (Scarborough Shoal) will always belong to China" outside the Philippines embassy in Beijing, on May 11. China told its citizens they were not safe in the Philippines and its state media warned of war, as a month-long row over rival claims in the South China Sea threatened to spill out of control